do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >>> some of the hottest stories in a flash, rapid fire. roll it. >>> any minute now, we'll carry this for you live, hillary clinton's good-bye. but first, also leaving the obama administration today, energy secretary steven chu. he says he will stay on until late february or maybe a little beyond that. chu was a leadinged avoluntary kalt f advocate for alternative energy development. chu says he would like to return to teaching and to research. >>> superstorm sandy left new york littered